FRER Indent?!?

Question

I have opened 3 FRER and they all had indents on te back of them. Do all FRER have indents?

Answer

Does mine look like an indent? When I held a flashlight up to the back (like I've read) it had pink color

Answer

The line you are seeing is the antibody strip that holds the chemicals that turn colors in the presence of hCg.

Answer

@lynnsey I see it 😃

Answer

This post is from a month ago.

Answer

What does is mean?

Answer

They test is considered invalid when you open it.

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